Battery Energy Storage System for PV Output Power Leveling

Figure 10

Simulation waveforms of the step PV output change from 2 kW to 0 kW. (a) Battery voltage. (b) High-voltage-side capacitor voltage. (c) Phase-shift angle. (d) High-side dc current. (e) BESS DC power. (f) PV output power. (g) BESS AC output power.

(a)

(b)

(c)

(d)

(e)

(f)

(g)